Write the algebraic expression for the following verbal expression: The sum of three and w
3 + w
If a = 7, evaluate the following: 2a
14
x + 3
Solve: 3x = 21
x = 7
A zoo needs to hire b staff members for each exhibit. Write the expression for the number of staff members they need to hire for 20 exhibits
20b
Write the algebraic expression for the following verbal expression in TWO forms.
The product of 5 and a number x
5x, 5(x), 5*x
If r = 6 and s = 4, evaluate the following: 2r + s
16
There are twice as many girls as boys in the class. If there are b amount of boys, write an expression for how many girls there are.
2b
Algebraically solve, and show your work. g + 7 = 12
g = 5
What is the purpose of solving an equation?
How do we do it?
to isolate the variable
"Undo" the operations associated with the variable by doing the inverse operation (opposite operation)
Write TWO verbal expressions for the following algebraic expression: g - 3
Answers vary. Examples are
3 less than g
g minus 3
3 fewer than g
If a = 3 and b = 5, evaluate the following:
3a - b
4
There are s amount of students in a classroom. The teacher wants to split them into groups of 4. Write an expression to represent how many groups she will make.
s/4 (s divided by 4)
Solve: h - 33 = 25
h = 58
Oliver went to the zoo with 5 other friends. They have a coupon for $10 off of admission. The admission for each person is $ ๐. Write the expression for the amount each of them needs to pay after the discount.
6d-10
Write as a algebraic expression: "a number plus five, multiplied by 3"
3(x + 5)
If y = 4, and z = 10, evaluate the following: z(3 + y)
70
45m + 20
4y + 6 = 10
y = -1
The zoo is open for 9 hours on weekdays. On weekends, the zoo is open for ๐ more hours. Write the expression for the number of hours the zoo opens on weekends.
9+r
Write the algebraic equation for the following verbal equation: Two more than the quotient of a number m and five is equal to 26
What is m/5 + 2 = 26
If a = 2, b= 4 and c = 3, evaluate the following:
a(b + c)^2 - a
96
You charge $15 for your babysitting service, plus $10 for each hour that you babysit. Write an algebraic expression for this to describe the total amount of money you earn.
How much money would you earn if you worked 3 hours?
15 + 10h, $45
Solve: 3x + 2 = 26
Give a summary of how Ms. P used Taylor Swift to explain how to solve equations.
Eliminate the weak friends first (adding and subtracting) by doing the inverse operation.
Then get rid of the BEST FRIENDS (multiplying and dividing) by doing the inverse operation.
Finally, you have x all by itself- muah hahahahah